93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/*
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* Copyright (c) 1997-2003 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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/*
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* This file contains the DPMS functions required by the extension.
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include "os.h"
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#include "globals.h"
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#include "windowstr.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86Opt_priv.h"
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#ifdef DPMSExtension
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#include <X11/extensions/dpmsconst.h>
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#include "dpmsproc.h"
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#endif
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#ifdef XSERVER_LIBPCIACCESS
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#include "xf86VGAarbiter_priv.h"
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#endif
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#ifdef DPMSExtension
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static void
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xf86DPMS(ScreenPtr pScreen, int level)
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{
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ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
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if (pScrn->DPMSSet && pScrn->vtSema) {
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xf86VGAarbiterLock(pScrn);
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pScrn->DPMSSet(pScrn, level, 0);
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xf86VGAarbiterUnlock(pScrn);
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}
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}
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#endif
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Bool
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xf86DPMSInit(ScreenPtr pScreen, DPMSSetProcPtr set, int flags)
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{
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#ifdef DPMSExtension
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ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
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void *DPMSOpt;
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MessageType enabled_from = X_DEFAULT;
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Bool enabled = TRUE;
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DPMSOpt = xf86FindOption(pScrn->options, "dpms");
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if (DPMSDisabledSwitch) {
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enabled_from = X_CMDLINE;
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enabled = FALSE;
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}
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else if (DPMSOpt) {
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enabled_from = X_CONFIG;
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enabled = xf86CheckBoolOption(pScrn->options, "dpms", FALSE);
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xf86MarkOptionUsed(DPMSOpt);
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}
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if (enabled) {
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xf86DrvMsg(pScreen->myNum, enabled_from, "DPMS enabled\n");
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pScrn->DPMSSet = set;
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pScreen->DPMS = xf86DPMS;
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}
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return TRUE;
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#else
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return FALSE;
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#endif
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}
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